Home / 924,670.31-1,276,040.63-516,771.72

Finding the Fourth Proportional to 924,670.31, 1,276,040.63 and 516,771.72

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Solution

The fourth proportional to 924,670.31, 1,276,040.63 and 516,771.72 is: 713,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,670.31 : 1,276,040.63 = 516,771.72 : x
  2. Step 2: Convert to fraction form
    924,670.31/1,276,040.63 = 516,771.72/x
  3. Step 3: Cross multiply
    924,670.31x = 1,276,040.63 × 516,771.72
  4. Step 4: Simplify right side
    924,670.31x = 659,421,708,571.13
  5. Step 5: Solve for x
    x = 659,421,708,571.13/924,670.31
  6. Step 6: Final answer
    x = 713,142.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.